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Application

99127988/03, 1999-12-31

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Start date

1999-12-31

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Actual filing date

1999-12-31

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Published

2002-02-27

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Inventor

Tomilov V.G.Pugach Ju.L.Nozdrenko G.V.Pugach L.I.Ovchinnikov Ju.V.Shchinnikov P.A.Kapustin V.A.Evtushenko E.A.Sazonov I.N.

(73)

Holder

Tomilov Vitalij GeorgievichPugach Jurij L'VovichNozdrenko Gennadij Vasil'EvichPugach Lev ItskovichOvchinnikov Jurij Vital'EvichShchinnikov Pavel AleksandrovichKapustin Valerij AndreevichEvtushenko Evgenij Anatol'EvichSazonov Ivan Nikolaevich

MOLDING SAND Russian patent published in 2002 - IPC

Abstract RU 2179960 C2

FIELD: building materials, more particularly various pressed products such as units, bricks and slabs. SUBSTANCE: molding sand comprises binder, sand filler and water and granular mix additive which comprises, wt %: ash resulting from combustion of coals, 70-80 and fluxing gas-liberating plasticizer, 20-30 and fired at 1100-1200 C till 60-80 % of glass phase is formed, and ground and filler comprises ash resulting from combustion of coals, ratios of molding sand components, being as follows, wt parts: binder, 0.4- 0.6; sand, 0.4-1; ash from combustion of coals, 1-1.3; said additive, 1-2; and water, 0.65-0.75. EFFECT: improved properties of the molding sand. 2 tbl

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RU 2 179 960 C2

Authors

Tomilov V.G.

Pugach Ju.L.

Nozdrenko G.V.

Pugach L.I.

Ovchinnikov Ju.V.

Shchinnikov P.A.

Kapustin V.A.

Evtushenko E.A.

Sazonov I.N.

Dates

2002-02-27—Published

1999-12-31—Filed

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